Has anyone kept the 6550 regulator tube past 2K hours in a ARC REF6?
Have a REF6 and approaching 2K hours. Does anyone know if you can the 6550 regulator tube until it fails? If it fails what happens? Can it last longer than 2K hours?
In my experience, sonics start to deteriorate around 1500 hours (on the 6550) the odds of a failure increase shortly after. Running the 6550 to failure is likely to damage the Ref 6.
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